Trung tâm Thử nghiệm JavaScript

JS Playground la trinh chinh sua ma JavaScript dua tren trinh duyet, cho phep ban viet va thuc thi JavaScript truc tiep trong trinh duyet. No chuan bi dau ra console (log, warn, error, info), hien thi loi thuc thi va do thoi gian thuc thi. Ly tuong cho thuc nghiem nhanh, tao nguyen mau thuat toan, hoc JavaScript va kiem tra doan ma khong can thiet lap moi truong phat trien.

Nhap hoac dan ma JavaScript cua ban vao vung trinh chinh sua ma. Nhan nut Chay de thuc thi ma. Bang xuat console ben duoi se hien thi tat ca cac thong diep console.log, console.warn, console.error va console.info. Neu xay ra loi, no se duoc hien thi trong bang loi mau do. Sau moi lan thuc thi, thoi gian thuc thi tinh bang mili-giay se duoc hien thi ben canh nut Chay.

Playground ho tro JavaScript hien dai (ES6+), bao gam arrow function, template literal, destructuring, class, async/await, Promise, toan tu spread/rest, Map/Set, Symbol va nhieu hon nua. Ban cung co quyen truy cap cac API trinh duyet chuan nhu JSON, Math, Date, phuong thuc Array, phuong thuc String va bieu thuc chinh quy.

Playground chan bon phuong thuc console: console.log (dau ra tieu chuan, mau mac dinh), console.warn (canh bao, mau vang), console.error (loi, mau do) va console.info (thong diep thong tin, mau xanh). Doi tuong va mang duoc tu dong dinh dang bang JSON.stringify de hien thi de doc. Su dung khoi try/catch trong ma de xu ly loi thuc thi mot cach tinh te.

Su dung Playground de xac thuc nhanh thuat toan, kiem tra bieu thuc chinh quy, phan tich du lieu JSON hoac tao nguyen mau ham truoc khi tich hop vao du an. Ban co the noi nhieu lenh console.log de theo doi gia tri bien tung buoc. Tan dung bo dem thoi gian thuc thi tich hop san de so sanh hieu suat cua cac phuong phap khac nhau. Su dung try/catch de kiem tra an toan ma de bi loi.